PERMROLL

The Bateman PERMROLL® has been used successfully in many applications to separate materials with particle sizes up to 10 mm with throughputs from 2 to 6 t/h. Modules are compact and lightweight and occupy about half the space for a given throughput needed by other processes.

High-intensity permanent magnets generate an exceptionally high magnetic gradient for the most cost-effective way to process weakly magnetic materials. Optimal separation of the material is achieved by custom design and any number of modules may be used to attain the required throughput or separation.

Dry granules of the material are fed onto short conveyor belts of thin yet durable material passing over rolls of customised magnetic configuration. The non-magnetic particles fall freely off the end of the roll while the magnetic particles adhere momentarily to the roll and are discharged into a separate chute by means of an adjustable splitter below the belt. The modular nature of the PERMROLL® enables any number of units to be stacked to achieve the required performance.

Since the material is never in contact with the magnetic roll there is no wear on the magnets and under normal conditions magnetic strength is retained indefinitely.

Process applications

  • Andalusite and pyrophyllite beneficiation
  • Beach sands beneficiation
  • Bauxite cleaning
  • Ceramic raw materials cleaning
  • Chromite recovery
  • Copper-nickel ore pre-concentration
  • Diamond beneficiation
  • Diatomaceous earth cleaning
  • Glass sand beneficiation
  • Feldspar cleaning
  • Flintclay beneficiation
  • High-purity quartz cleaning
  • Ilmenite recovery
  • Iron and manganese ore beneficiation
  • Kyanite cleaning
  • Limestone and dolomite cleaning
  • Magnesite beneficiation
  • Metal recovery from waste
  • Refractory raw material cleaning
  • Wollastone beneficiation
  • Zircon cleaning.

Advantages

Compared with electromagnetic induced roll separators, the Bateman PERMROLL® has:

  • Lower installation costs
  • Lower maintenance costs
  • Lower capital costs and operating costs per tonne of product
  • Easy access to dust generation points
  • Ready observation of the operation and ease of process control
  • Reduced periodic cleaning and downtime.

The latest Bateman PERMROLL® models incorporate nearly two decades of development and operational experience.